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Is Buster Posey [Purple Refractor] #179 worth grading?

Baseball · Baseball Cards 2015 Topps Chrome · full price guide →

Grading rarely pays for this card

SGC 10 copies of Buster Posey [Purple Refractor] #179 sell for $24.99, only $9.98 above the $15.01 raw price — less than an economy-tier grading fee. A PSA 9 ($16.50) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

Raw (NM)
$15.01
SGC 10
$24.99
PSA 9
$16.50
Gem premium
1.7×
As of
Jul 11, 2026

Break-even by outcome and fee

Buster Posey [Purple Refractor] #179: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — SGC 10$24.99−$15.02−$40.02−$140
PSA 9$16.50−$23.51−$48.51−$149

Net = sale price − $15.01 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Expected value — how often does it need to gem?

Buster Posey [Purple Refractor] #179: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$18.62−$46.39
50%$20.74−$44.27
75%$22.87−$42.14

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Which grader pays the most — and what a 10 takes

All centering standards
Buster Posey [Purple Refractor] #179: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
SGC 10$24.99best55/4575/25

Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.

Buster Posey [Purple Refractor] #179 graded prices by company and grade
GradeSGCGraded
10$24.99
9.5$18.00
9$16.50

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

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Grading Buster Posey [Purple Refractor] #179 — FAQ

Is Buster Posey [Purple Refractor] #179 worth grading?

SGC 10 copies of Buster Posey [Purple Refractor] #179 sell for $24.99, only $9.98 above the $15.01 raw price — less than an economy-tier grading fee. A PSA 9 ($16.50) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.

What centering does Buster Posey [Purple Refractor] #179 need for a SGC 10?

SGC publishes 55/45 front and 75/25 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.

Is your baseball card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

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